<!DOCTYPE html><html lang="[&quot;zh-Hans&quot;,&quot;zh-CN&quot;,&quot;default&quot;]"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"><meta name="description" content="scrollTop获取为0兼容解决方案"><meta name="keywords" content="JavaScript"><meta name="author" content="wenmu"><meta name="copyright" content="wenmu"><title>scrollTop获取为0兼容解决方案 | 温木的博客</title><link rel="shortcut icon" href="/melody-favicon.ico"><link rel="stylesheet" href="/css/index.css?version=1.6.1"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/font-awesome@latest/css/font-awesome.min.css?version=1.6.1"><link rel="dns-prefetch" href="https://cdn.staticfile.org"><link rel="dns-prefetch" href="https://cdn.bootcss.com"><link rel="dns-prefetch" href="https://creativecommons.org"><link rel="dns-prefetch" href="http://ta.qq.com"><script>(function() {
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} </script><meta name="generator" content="Hexo 4.2.0"></head><body><i class="fa fa-arrow-right" id="toggle-sidebar" aria-hidden="true"></i><div id="sidebar"><div class="toggle-sidebar-info text-center"><span data-toggle="切换文章详情">切换站点概览</span><hr></div><div class="sidebar-toc"><div class="sidebar-toc__title">目录</div><div class="sidebar-toc__progress"><span class="progress-notice">你已经读了</span><span class="progress-num">0</span><span class="progress-percentage">%</span><div class="sidebar-toc__progress-bar"></div></div><div class="sidebar-toc__content"><ol class="toc"><li class="toc-item toc-level-3"><a class="toc-link" href="#IE"><span class="toc-number">1.</span> <span class="toc-text">IE</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Chrome、Firefox"><span class="toc-number">2.</span> <span class="toc-text">Chrome、Firefox</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Safari"><span class="toc-number">3.</span> <span class="toc-text">Safari</span></a></li></ol></div></div><div class="author-info hide"><div class="author-info__avatar text-center"><img src="https://i.loli.net/2020/02/27/xwaBoOj158MfNyq.jpg"></div><div class="author-info__name text-center">wenmu</div><div class="author-info__description text-center">记录一些在工作中或学习新知识时学到的一些知识点；正所谓好记性不如一个烂笔头，温故而知新！</div><hr><div class="author-info-articles"><a class="author-info-articles__archives article-meta" href="/archives"><span class="pull-left">文章</span><span class="pull-right">115</span></a><a class="author-info-articles__tags article-meta" href="/tags"><span class="pull-left">标签</span><span class="pull-right">52</span></a><a class="author-info-articles__categories article-meta" href="/categories"><span class="pull-left">分类</span><span class="pull-right">30</span></a></div></div></div><div id="content-outer"><div class="no-bg" id="top-container"><div id="page-header"><span class="pull-left"> <a id="site-name" href="/">温木的博客</a></span><i class="fa fa-bars toggle-menu pull-right" aria-hidden="true"></i><span class="pull-right menus"><a class="site-page" href="/">首页</a><a class="site-page" href="/archives">文章</a><a class="site-page" href="/tags">标签</a><a class="site-page" href="/categories">分类</a></span></div><div id="post-info"><div id="post-title">scrollTop获取为0兼容解决方案</div><div id="post-meta"><time class="post-meta__date"><i class="fa fa-calendar" aria-hidden="true"></i> 2020-03-25</time><span class="post-meta__separator">|</span><i class="fa fa-inbox post-meta__icon" aria-hidden="true"></i><a class="post-meta__categories" href="/categories/JavaScript/">JavaScript</a></div></div></div><div class="layout" id="content-inner"><article id="post"><div class="article-container" id="post-content"><h3 id="IE"><a href="#IE" class="headerlink" title="IE"></a>IE</h3><p>对于没有 doctype 声明的页面用 document.body.scrollTop</p>
<h3 id="Chrome、Firefox"><a href="#Chrome、Firefox" class="headerlink" title="Chrome、Firefox"></a>Chrome、Firefox</h3><p>对于有 doctype 声明的页面，则使用<br>document.documentElement.scrollTop</p>
<h3 id="Safari"><a href="#Safari" class="headerlink" title="Safari"></a>Safari</h3><p>safari 比较特别，有自己获取 scrollTop 的函数 ： window.pageYOffset；只读属性 pageYOffset 是 scrollY 的别名。</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">const</span> scrollTop =</span><br><span class="line">  <span class="built_in">window</span>.pageYOffset || <span class="built_in">document</span>.body.scrollTop || <span class="built_in">document</span>.documentElement.scrollTop;</span><br><span class="line"><span class="keyword">const</span> scrollLeft =</span><br><span class="line">  <span class="built_in">window</span>.pageXOffset || <span class="built_in">document</span>.body.scrollLeft || <span class="built_in">document</span>.documentElement.scrollLeft;</span><br></pre></td></tr></table></figure>

<p>or</p>
<figure class="highlight js"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">export</span> <span class="function"><span class="keyword">function</span> <span class="title">getScrollCoord</span>(<span class="params"></span>) </span>&#123;</span><br><span class="line">  <span class="keyword">const</span> scrollTop = <span class="built_in">window</span>.scrollY || <span class="built_in">document</span>.body.scrollTop || <span class="built_in">document</span>.documentElement.scrollTop;</span><br><span class="line">  <span class="keyword">const</span> scrollLeft =</span><br><span class="line">    <span class="built_in">window</span>.scrollX || <span class="built_in">document</span>.body.scrollLeft || <span class="built_in">document</span>.documentElement.scrollLeft;</span><br><span class="line">  <span class="keyword">return</span> &#123; scrollTop, scrollLeft &#125;;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
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